Small power transformers handle 5 to 15 MVA

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Excerpt: The recent line of small power transformers is customized for use in municipal power substations. The utility-focused smaller power transformers, from Pacific Crest Transformers, Medford, Oregon, are rated from 5 to 15 megavolt-amperes. They are ruggedly built, using disk-wound coils with cruciform …

Variable Transformer Frequency Connects Unruly Grids

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Excerpt: Four separate electrical grids cover the U.S. and Canada. Most are synchronous (same frequency and phase) so they can be connected by direct transmission lines. They are all busy places but the Eastern Seaboard is perhaps more so because of large population concentrations, such as New York City. …

IBM and Cisco Develop Amsterdam’s Smarter Energy Project

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Excerpt: Cisco and IBM have announced they are teaming on a pilot to help the utility for the city of Amsterdam to make better use of energy by letting consumers make more informed decisions about their energy consumption. The pilot program is part of the Amsterdam Smart City initiative, in which citizens, g …

Renewable Grid Initiative Launched in Europe

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Excerpt: Transmission system operators in Europe and nongovernmental organizations there have formed the Renewables-Grid-Initiative (RGI). It will call for a mandate for energy regulators to spur development of a European grid that can transmit power from wind farms and other renewable generators. "The Renew …

Complete smart grid solution

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Excerpt: Providing utility companies with a reliable, accurate and energy-efficient smart grid solution for electricity line monitoring, Optisense Network, Inc. has selected Texas Instruments Incorporated's embedded processing and analog technology as the preferred solution for its primary measuring units (P …

Lithium batteries for renewable-energy backup

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Excerpt: Stationary batteries provide electrical power to systems during power outages. They are used in equipment dedicated to stabilizing voltages by eliminating irregularities in systems that generate electrical power. The batteries can hold large loads temporarily as utility power switches from one g …

Steel poles for transmission lines

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Excerpt: Sabre Tubular Structures offers a light duty line of standard class poles designed to ANSI requirements. These poles satisfy the needs of cooperatives governed by RUS requirements, and investor-owned utilities that specify a "wood-pole equivalent" structure. Concerns regarding severe weather, woodpe …